2018 AUDI A4 warning lights

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®-Clean the windshield . The wipers wipe one
time after severa l seconds of driving to remove
water drop lets. You can switch this function off
by moving the lever to position ® within 10 sec­
onds of the afterwipe. The afterwipe function is
reactivated the next time you switch the ignition
on .
C lean the headlights*. The headlight washer sys­
tem" operates only when the low beam head­
lights are on . If you move the lever into position
@, the headlights will be cleaned at fixed inter­
va ls .
Applies to: allroad:
@ -Wiping the rear window.
T he number of wipes depends on the windsh ield
wiper movement .
The rear wiper automatically switches on when
the reverse gear is selected and the front wind­
shield wipers are on and running .
Applies to: allroad:
0 -Clean ing the rear win­
dow. The number of wipes depends on how long
the lever is held in position
(J).
A WARNING
-The rain sensor is only intended to assist the
dr iver . The driver may still be responsible
for manually sw itching the w ipers on based
on v is ibi lity conditions.
- The windshie ld may not be treated with wa­
ter-repelling windshield coating agents . Un­
favorable conditions, such as wetness, dark­
ness or low sun, can result in increased
glare, which increases the risk of an acc i­
dent . Wiper blade chatter is also possible.
- Properly functioning windsh ield wiper
blades are required for a clear view and safe
driving
¢ page 62, Replacing wiper
blades.
(D Note
- If there is frost, make sure the windshie ld
wiper blades are not frozen to the wind­
shield. Switching on the windshield wipers
when the blades are frozen to the wind­
shield can damage the wiper blades .
- The windshield wiper system must be
switched off ( lever in position 0) before us-
Lights and Vision
ing a car wash. This prevents the wipers
from switching on unintentionally and caus­ ing damage to the windsh ield wiper system .
(D Tips
- The windshie ld wipers switch off when the
ignition is switched off . You can activate the
windshield wipers after the ignition is
switched back on by moving the w indshield
wiper lever to any position.
- Worn or dirty windshie ld wiper blades resu lt
in streaking. Th is can affect the rain sensor
function . Check your windshield w iper
blades regularly .
- The washer fluid nozzles for the windshield
washer system are heated at low tempera­
tures when the ign ition is on .
- When stopping temporarily, such as
at a
traffic light, the speed of the windshield
w ipers automatically reduces by one level.
Cleaning the wiper blades
Clean the wiper b lades when you see w iper
streaks. Use a soft cloth and a glass cleaner.
Windshield wiper
.,. Place the windshield wiper arms in the service
position
¢ page 62.
.,. Fold the windsh ie ld wiper arms away from the
w indshie ld.
Rear window wiper
Applies to : all road
.,. Fold the wiper arm away from the rear window.
A WARNING
D irt y windshield wiper blades can impa ir vi­
sion, wh ich i ncreases the risk of an accident .
-
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Lights and Vi sion
Replacing wiper blades
Fig. 59 Re mov ing w indshi eld w iper blades
Windshield wiper service position/blade
replacement position
.,. To bring the windshield wipers into the service
pos ition, turn the ignition off and move the
winds hield wiper leve r into position @
¢page 60, fig. 57 .
.,. To bring the wipers into the starting pos it io n,
tu rn the ignition on and move the windshield
wiper lever into position @for at least two sec­
onds
¢ page 60, fig. 57 .
You can also turn the service position on o r off in
the Infota inment system :
... Switch the windshield wipers off (position @
¢page 60, fig. 57) .
.,. Select : the IMENU ! button> Vehicle> left con­
trol button >
Service & checks > Wiper change
position .
Removing the wiper blade
... Fo ld the windshield wiper arm away from the
windshield .
.,. Press the locking knob (D ¢ fig. 59 on the wiper
blade . Hold the wiper blade firmly .
.,. Remove the wiper blade in the d irection of the
arrow .
Installing the wiper blade
.,. Insert the new wiper b lade into the mount on
the wiper arm
@ until it clicks into place .
.,. Place the wiper arm back on the windshield .
.,. Turn the serv ice position off .
62
A WARNING
,--
For safety reasons, the windshield wiper
blades should be replaced once or twice each
year .
(]) Note
- Only fold the w indshield w ipers away when
they are in the service pos ition. Otherwise,
you risk damaging the paint on the hood or
the windsh ield wiper motor.
- You should not move your veh icle or operate
the windsh ield wiper lever when the wiper
arms are folded away from the windshie ld.
Th e windshie ld wipers would move back
in­
to their original position and could damage
the hood and windshie ld.
- To reduce the risk of damage to the wiper
system, always loosen blades which are fro­
zen to the windshield before operating the
wipers.
- T o reduce the risk of damage to the wiper
blades, do not use gasoline, kerosene, pa int
thinner, or other solvents on or near the
wiper blades.
- To reduce the risk of damage to the wiper
arms or other components, do not attempt
to move the wipers by hand .
(D Tips
- You can also use the service position, for ex­
ample, if you want to protect the windshield
from icing by using a cover .
- You cannot activate the service position
when the hood is open .

Replacing rear wiper blade
Applies to: vehicles with rear window wiper
Fig . 60 Rear window w iper : in stall ing the wiper b lade
Removing the wiper blade
... Fold the w iper arm away from the rear window .
... Remove the wiper blade from its holder.
Installing the wiper blade
... Press the wiper blade mount into the retainer.
... Fold the window wiper arm back onto the rear
window.
A WARNING
For safety reasons, the windshield wiper
blades should be replaced once or tw ice each
year .
Digital compass
Switching the compass on and off
Applies to: vehicles with digital compass
Fig. 61 Rearview mirror: digita l compass is sw itc hed on
Lights and Vision
.,. To turn the compass on or off, press the button
@ until the compass in the mirror appears or
disappears.
T he dig ital compass only works when the ignition
is turned on . The directions are indicated with ab­
breviations:
N (north), NE (northeast), E (east),
SE (southeast), S (south), SW (southwest), W
(west), NW (northwest).
(0 Tips
To prevent inaccurate compass readings, do
not bring any remote controls, electrical devi­
ces or metallic objects near the mirror.
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Lights and Vision
Adjusting the magnetic zone
Applies to: ve hicles w ith d ig ital compass
The magnetic zone must be adjusted correctly for the compass to read accurately.
Fig. 62 Magnetic zone map
• Press and hold the button@~ page 63, fig. 61
unt il the number of the selected magnetic zone
appears in the rea rview mir ror .
• Press the b utton @repeatedly to select the
correc t magnetic zone . The sele ct ion mode
turns off after a few seconds .
Calibrating the compass
App lies to: ve hicles with d ig ital compass
If the display is incorrect or inaccurate, the com­
pass must be recalibrated .
• Press and hold the button @ until a C appears
in the rearv iew mirror.
• Drive in a circle at about 6 mph ( 10 km/h) unt il
a d irec tion is displayed i n the in terior rearv iew
mirror .
64
A WARNING
To reduce the ris k to yourse lf and o ther driv·
e rs, calibra te the compass in an area where
there is no traffic .

Sea ts and stor age
the possible seat settings @ are shown in the
Infotainment system
r::!;> fig . 65.
• To select a seat setting, turn the multifunction
button
(I) in the corresponding direction until
the desired seat setting is outlined in red.
• The arrows @ represent the possible adjust­
ments. Fo r example, to lower the lumbar sup­
port, press the multifunction button
(I) down.
The co rresponding ar row © lights up.
The follow ing seat sett ings @ are possible:
Massage function * -select the massage type
Wave, St ret ch , Knead or Off . You can adjust the
intens ity of each massage from 1 to 3. You ca n
sw itch the selected massage on/off using the
button @
r::!;> fig. 65.
Lumbar support -you can adjust the lumbar sup­
port up/down and to be stronger/weaker.
Side bolsters* -you can increase/decrease the
side support in the seat using the side bolsters
on the seat backrest.
@ Tips
- The massage function switches off a uto­
matically after approx imately 10 minutes.
- The air in the side bo lsters* is released as
soon as the driver's door opens. T his makes
i s possible to enter and exit the vehicle
more comfortably. As soon as you start driv­
i ng the veh icle, the side bo lsters fill.
Center armrest
There is a storage comportment under the arm­
rest.
F ig . 66 Comfort center armrest between the driver's seat
and front passenger's seat
66
• To adjust the ang le, raise the armrest from the
starting position notch by notch.
• To bring the armrest back into the sta rt ing po­
sition, raise it out of the top notch and fold it
back down.
The armrest can slide forward and back .
Head restraints
Front head restraints
Applies to: vehicles with adjustable head restraints
Fig. 67 Fro nt seat: adjust ing the head restraint
Adjust the head restraints so the upper edge is as
even as possible w ith the top of your head . If that
i s not possib le, try to adjust as close to this pos i­
tion as possib le .
Adjusting the head restraints
• To move the head restra int upward/forward,
hold it at the sides w ith both hands and sl ide it
upward/forward until yo u feel it click into
place.
• To move the head restra int downward/back­
ward, press the s ide button and slide t he head
restraint downward/backward . Release the but­
ton and slide the head restraint farther unti l it
clicks into place.
&_ WARNING
Always read and follow the applicable warn­ i n gs
r::!;> page 257, Proper adjustment of head
restraints.
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engaged, for example when you notice that the next traffic light is red . This produces an engine
braking effect, which helps to protect the brakes
and tires and reduces the emissions and fuel con ­
sumpt ion to zero (fuel shut-off dur ing decelera­
tion) .
Shift efficiently
Upshifting earlier is an effective way to save fuel.
Staying in a gear too long uses fuel unnecessari­
ly.
Applies to: vehicles with manual transmission
Shift as soon as possible from first to second
gear. S hifting to the next highest gear at approxi­
mately 2,000 RPMs if poss ible is recommended.
Applies to: vehicles with automatic transmissions
Press down on the acce le rator peda l slowly and
avoid "kick -down".
Avoid full acceleration
You should rarely travel at the maximum vehicle
speed. High speeds cause a disproportionately
high increase in fuel consumption, emissions and
traffic noise. Driving more slowly saves fuel.
Reduce idling time
The Start/Stop system* he lps to reduce the idling
time automatically. In vehicles without the Start/
Stop system*, it is efficient to switch the engine
off when stopped at railroad cross ings and long
r ed lights. Stopping the engine for 30-40 sec­
onds already saves more fuel than the amount of
extra fuel needed to restart the eng ine.
It takes a very long time in idle to warm the en­
g ine up to operating temperature. Wear and
emissions are especially h igh in the wa rm-up
phase . Therefore, you should begi n driving im­
mediately a fter starting the engine . Avoid high
RPMs while do ing this .
Have maintenance performed regularly
By having maintenance performed regu larly on
your veh icle, yo u ca n he lp to reduce f uel con­
sumption before yo u even start to drive. The
maintenance condition of your vehicle not only
affects traffic safety and long-term value but a l-
Driving
so impacts fuel consumption . A poorly main ­
tained engine can lead to fuel consumption that is 10% higher than norma l.
Avoid short trips
The eng ine and exhaust cleaning system must
reach their optimal operat ing temperatu re to ef­
f ectively reduce consumption and emissions.
A cold engine uses a disproportionately high
amount of fue l. The engine reaches operating
temperat ure and consumption normalizes on ly
after approximate ly 2.5 miles (4 km).
Check the tire pressure
To save fuel, make sure the tires are always in­
flated to the correct press ure
~ page 344. The
fuel consumption can increase by 5% if the pres­
s u re is only 0.5 bar too low. Due to the increased
rolling resistance, low tire pressures wi ll also
l ead to greater tire wear and will affect driving
behavior.
Do not drive on winter tires year-round, as this
will consume up to 10% more fuel.
Eliminate unnecessary weight
S in ce eve ry po und of ext ra weight increases f uel
consumption , a quick inspection of the luggage
compartment may be worth it to avoid unneces ­
sary weight .
When not be ing used , a roof rack should be re­
moved to decrease the wind resistance of the ve­
hicle. This will save you approximately 12% fuel
at speeds from 62 -75 mph (100 - 120 km/h) .
Save energy
The eng ine drives the generator, which generates
electric ity; the fuel consumpt io n also incr eases
with the demand for electr icity. The refore, switch
electrical eq uipment off when you no longer
need it . Examples of equipment that uses a lo t of
energy are air blowers at a high setting, the rear
window defogger and seat heating* .
@ Note
Do not leave engine idling unattended after
starting. If warning lights shou ld come on to
indicate improper operation, they would go
81

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@j indicator light appears in the instrument clus­
ter disp lay, the engine will not be stopped, for
examp le in the following situations:
- T he eng ine has not reached the minimum re­
quired temperature for Start/Stop mode.
- T he interior temperature selected by the cli-
mate contro l system has not been reached .
- T he outs ide temperature is ext remely h igh/low.
- The windshield is being defrosted.
- The vehicle battery charge level is too low.
- The steering whee l is turned at a sharp angle or
is mov ing .
- After engaging the reverse gear.
- On sharp inclines.
- At high a ltitudes.
Engine automatically restarts
The standard Start/Stop mode will be cance led
during a stop phase in the follow ing s ituations .
The engine restarts without any action by the
d river.
- The vehicle rolls, for examp le while on a slope.
- The interior temperature differs from the tem-
perature se lected in the A/C system .
- The windshield is being defrosted .
- The brake pedal is pressed several times in a
row.
- The vehicle battery charge level is too low.
- Power consumption is high.
The engine can t urn off again when the condi­
tions for Start/Stop mode are met.
Ignition is switched off automatically
To prevent the veh icle battery from drain ing, the
ignition will switch off automat ica lly under the
following conditions :
- The Start/Stop system has stopped the engine .
- The veh icle is stationary.
- You left the vehicle and the engine was not re -
started within approximately 30 seconds .
I f this happens, you wi ll see the message
Igni­
tion turns off automatically
in the instrument
cluster and the activated low beams are replaced by the parking light. The parking lights will
sw itch off after approximately 30 minutes or
when you lock the vehicle .
Driving
The ignition also switches off when you lock the
vehicle from the outside during a stop phase.
If the Start/Stop system has not turned off the
engine or if you have switched the Start/Stop sys­
tem off manually, the ignition will not be auto ­
matically switched off and the engine will contin­
ue to run
¢ .&..
A WARNING
To reduce the risk of poisoning, never allow
the eng ine to run in confined spaces .
(D Tips
Applies to : vehicles with auto matic transmissions
-
- If you leave the vehicle with the D/S or R se­
lector lever position engaged, the parking
brake is automatically set.
- If you select the D or N selector lever posi­
tion after shifting into reverse, the vehicle
must be driven faster than 6 mph ( 10 km/h)
in o rder fo r the engine to switch off again .
' Manually switching the Start/Stop system
, off/on
Applies to: vehicles wi th Start/Stop syste m
If you do not wish to use the system, you can
switch it off manually.
Fig. 96 Cente r console : Start/Stop system button
.,. To switch the Start/Stop system off/on man­
ually, press the
l v'> ~I button. The LED in the but­
ton turns on when the system is switched off .
(D Tips
If you switch the system off during a stop
phase, the engine will start aga in automati­
cally .
87

Driving
"'T o activate hill hold assist, press and hold the
brake peda l for several seconds. The vehicle
must be in an uph ill direction of travel.
Afte r releasing the bra ke pedal, the brak ing pow­
er is ma intained for a brie f
moment¢ A to pre­
vent the vehicle from rolling back when starting .
During this time, you can eas ily beg in to move
your veh icle.
A WARNING
- If you do not begin dr iving immediately or
the engine stalls after releas ing t he brake
peda l, yo ur vehicle may begi n to roll back­
ward . Press t he b rake pedal o r set the park ­
i ng bra ke immed iate ly.
- The intelligent techno logy of hill hold assist
c annot overcome the lim itations imposed by
n atu ral physical laws. The incre ased comfo rt
offered by h ill hold assist sho uld not cause
yo u to take safety risks .
- Hill ho ld assis t can not hold the veh icle in
place on all h ills ( for example, i f the gro und
is slippery or icy) .
- T o reduce the risk of an ac cident, always
make sure the vehicle is si tuated safely
whi le stat ionary.
Driving offroad
General information
A ppl ies to: a ll r oad
The electro nic stabilization co ntrol (ESC) func­
tions were e nhanced for dr iv ing offroad. Offroad
mode c an be ac tivated whe n driving in situat ions
where slipp age or a different ia l loc k func tion is
necessary ¢ page 147. The h ill descent ass ist is
a lso available, which automatica lly brakes the
ve­
h icle and mainta ins a constant speed as a result
¢ page 148. In add ition, your Audi prov ides con­
tinuous all wheel drive.
However , you r Audi is not an offroad vehicle.
Only drive in terrain that is su itable for the vehi ·
cle and your driving abilit y. Never take an y un·
neces sary risks!
90
Afte r driving offroad
- After driving off road , remove b ranches and
other debris from the rad iator grille, under ­
body, and wheels . Look especially fo r foreign
objects (such as stones) that may be st uck in
the t ire tread.
- Clean the vehicle body and underbody and
in­
spect the vehicle for possible damage.
- Clean the windows, headlights, tail lights and
the license p late if they are dirty.
- Per form a brake test (especia lly after d riving
throug h water) .
A WARNING
-Be especially aware and attentive when d riv ­
ing under diff icu lt cond itions. Vehicle dam­
age and in juries may occur when driving at
excess ively high speeds or with incorrect
driving maneuvers.
- Always ad just yo ur speed and driving sty le
to the roads, terrain, traffic and weat her
conditions . Drive especially slowly if there is
low visibility when off road.
- Please note that t he wheels can sp in mo re
and the vehicle can swerve when in offroad
mode, espe cially when the road is slippery
or h as loose s urfa ce mate rial.
- D riving stability is reduce d when in offroad
mode.
@ For the sake of the environment
Avo id harm ing the env ironmen t and show
conside ration fo r nat ure.
(D Tips
Only drive where it is permitted and always
stay on the prov ided roads and paths .
Driver messages
Applies to : allroad
There is only one right way to drive in difficul t
conditions: slowly and with caution!
Observe the following when driving on unpaved
r oads :
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